/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | foam-extend: Open Source CFD
   \\    /   O peration     | Version:     4.1
    \\  /    A nd           | Web:         http://www.foam-extend.org
     \\/     M anipulation  | For copyright notice see file Copyright
-------------------------------------------------------------------------------
License
	This file is part of foam-extend.

	foam-extend is free software: you can redistribute it and/or modify it
	under the terms of the GNU General Public License as published by the
	Free Software Foundation, either version 3 of the License, or (at your
	option) any later version.

	foam-extend is distributed in the hope that it will be useful, but
	WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
	General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with foam-extend.  If not, see <http://www.gnu.org/licenses/>.

\*---------------------------------------------------------------------------*/

#include "tolerances.H"

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{

// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //

tolerances::tolerances(const Time& t, const fileName& dictName)
:
	IOdictionary
	(
		IOobject
		(
			dictName,
			t.system(),
			t,
			IOobject::MUST_READ_IF_MODIFIED,
			IOobject::NO_WRITE
		)
	),
	relaxationFactors_(ITstream("relaxationFactors", tokenList())()),
	solverTolerances_(ITstream("solverTolerances", tokenList())()),
	solverRelativeTolerances_
	(
		ITstream("solverRelativeTolerances", tokenList())()
	)
{
	read();
}


// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //

bool tolerances::read()
{
	if (regIOobject::read())
	{
		const word toleranceSetName(lookup("toleranceSet"));
		const dictionary& toleranceSet(subDict(toleranceSetName));

		if (toleranceSet.found("relaxationFactors"))
		{
			relaxationFactors_ = toleranceSet.subDict("relaxationFactors");
		}

		if (toleranceSet.found("solverTolerances"))
		{
			solverTolerances_ = toleranceSet.subDict("solverTolerances");
		}

		if (toleranceSet.found("solverRelativeTolerances"))
		{
			solverRelativeTolerances_ =
				toleranceSet.subDict("solverRelativeTolerances");
		}

		return true;
	}
	else
	{
		return false;
	}
}


bool tolerances::relax(const word& name) const
{
	return relaxationFactors_.found(name);
}

scalar tolerances::relaxationFactor(const word& name) const
{
	return readScalar(relaxationFactors_.lookup(name));
}

scalar tolerances::solverTolerance(const word& name) const
{
	return readScalar(solverTolerances_.lookup(name));
}

bool tolerances::solverRelativeTolerances() const
{
	return solverRelativeTolerances_.size();
}

scalar tolerances::solverRelativeTolerance(const word& name) const
{
	return readScalar(solverRelativeTolerances_.lookup(name));
}


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

} // End namespace Foam

// ************************************************************************* //
